CN214465996U - Gear shaft of bearing capable of self-lubricating by utilizing centrifugal force during oil storage in inner cavity - Google Patents
Gear shaft of bearing capable of self-lubricating by utilizing centrifugal force during oil storage in inner cavity Download PDFInfo
- Publication number
- CN214465996U CN214465996U CN202120242941.1U CN202120242941U CN214465996U CN 214465996 U CN214465996 U CN 214465996U CN 202120242941 U CN202120242941 U CN 202120242941U CN 214465996 U CN214465996 U CN 214465996U
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- China
- Prior art keywords
- gear shaft
- oil
- bearing
- oil storage
- centrifugal force
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims 4
- 239000003921 oil Substances 0.000 abstract description 100
- 239000010687 lubricating oil Substances 0.000 abstract description 25
- 239000003638 chemical reducing agent Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract 1
- 230000009467 reduction Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model discloses a gear shaft of an inner cavity oil storage self-lubricating bearing by utilizing centrifugal force, which comprises a gear shaft and an end cover, wherein the gear shaft is arranged into a hollow structure with an oil storage cavity inside, and oil outlet holes are arranged on the oil storage cavity of the gear shaft and the end surface of a gear; through the oil storage chamber, the oil outlet with connect the design of oil pump oil pipe isotructure, the speed reducer design has the outside oil pump oil pipe that connects, a lubricating oil pipe is introduced from the end cover to the speed reducer outside, it gos deep into in the oil storage chamber of gear shaft, pour into lubricating oil into the oil storage chamber into at the speed reducer during operation, the lubricating oil of pouring into the oil storage chamber can be extruded to the chamber bottom under the effect of centrifugal force, then flow through the oil outlet in the inner chamber, the rotational speed of gear shaft is higher, lubricating oil in the oil storage chamber goes out oil pressure and just big more, just the better to the lubricated radiating effect of bearing, can satisfy the lubricated needs of bearing of gear shaft under high rotational speed state, the utility model provides a gear shaft has characteristics such as convenient to process and lightweight.
Description
Technical Field
The utility model relates to a speed reducer gear shaft technical field specifically is a gear shaft of centrifugal force self-lubricating bearing is utilized in inner chamber oil storage.
Background
Reduction gears are important parts in industrial transmissions, and their development trend is to reduce weight and simplify the reduction gears.
The bearing is used as an important part for supporting the rotation of the gear shaft, and when the bearing works, enough lubricating oil is required to fully lubricate and dissipate heat of the roller, otherwise, the bearing generates heat and aggravates abrasion, and the normal work of the speed reducer is directly influenced. In response to such a need, a gear shaft with an inner cavity for storing oil and utilizing centrifugal force to self-lubricate a bearing is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an inner chamber oil storage utilizes centrifugal force from the gear shaft of lubricated bearing, a lubricating oil pipe is introduced from the end cover to the speed reducer outside, it gos deep into in the oil storage chamber of gear shaft, pour into lubricating oil into the oil storage chamber at the speed reducer during operation, the lubricating oil of pouring into the oil storage chamber can be extruded to the chamber bottom under the effect of centrifugal force, then flow through the oil outlet in the inner chamber, the rotational speed of gear shaft is higher, lubricating oil in the oil storage chamber goes out oil pressure and just big more, just better to the lubricated radiating effect of bearing, can satisfy the lubricated needs of bearing of gear shaft under high rotational speed state, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a gear shaft of a bearing with an inner cavity storing oil by utilizing centrifugal force self-lubricating comprises a gear shaft and end covers, wherein the gear shaft is of a hollow structure with an oil storage cavity inside, oil outlet holes are formed in the oil storage cavity of the gear shaft and the end faces of the gear, bearings are fixedly arranged at two ends of the gear shaft, the end covers are fixedly arranged at one end of the gear shaft through the bearings, and oil pipes connected with an oil pump penetrate through the end covers;
connect the inside that oil pump oil pipe extended to the oil storage chamber, the last oil outlet of gear shaft is the alignment setting with the roller part of bearing.
Preferably, the bearing includes a first bearing and a second bearing, and the first bearing and the second bearing are respectively disposed at two ends of the gear shaft.
Preferably, the end covers are sleeved and fixed on outer rings of the bearings, and the first bearings and the second bearings of the bearings are sleeved and fixed at two ends of the gear shaft through inner rings of the bearings.
Preferably, the oil storage chamber both ends of gear shaft all are provided with the oil outlet, the last oil outlet of gear shaft is annular array and distributes.
Preferably, the gear shaft cooperation the shaft shoulder position integrated into one piece of bearing has the dismantlement recess, the oil outlet is located dismantles the recess, it is provided with four groups that are the annular array and distribute to dismantle the recess.
Preferably, the end that connects oil pump oil pipe to be located the inside oil storage chamber sets up to the bending, connect the one end that oil pump oil pipe kept away from the gear shaft to extend to the gear shaft outside.
Compared with the prior art, the beneficial effects of the utility model are that:
through the oil storage chamber, the oil outlet with connect the design of oil pump oil pipe isotructure, the speed reducer design has the outside oil pump oil pipe that connects, a lubricating oil pipe is introduced from the end cover to the speed reducer outside, it gos deep into in the oil storage chamber of gear shaft, pour into lubricating oil into the oil storage chamber into at the speed reducer during operation, the lubricating oil of pouring into the oil storage chamber can be extruded to the chamber bottom under the effect of centrifugal force, then flow through the oil outlet in the inner chamber, the rotational speed of gear shaft is higher, lubricating oil in the oil storage chamber goes out oil pressure and just big more, just the better to the lubricated radiating effect of bearing, can satisfy the lubricated needs of bearing of gear shaft under high rotational speed state, the utility model provides a gear shaft has simple structure, and is convenient for processing, characteristics such as lightweight.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
FIG. 1 is a schematic cross-sectional view of a gear shaft and an end cover of the present invention;
FIG. 2 is a schematic view of the internal structure of the gear shaft of the present invention;
fig. 3 is a schematic side structural view of the middle gear shaft of the present invention.
In the figure: 1. a gear shaft; 2. a first bearing; 3. an end cap; 4. an oil storage chamber; 5. disassembling the groove; 6. a second bearing; 7. an oil outlet hole; 8. and an oil pump oil pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a gear shaft of a bearing with an inner cavity storing oil by utilizing centrifugal force self-lubricating comprises a gear shaft 1 and an end cover 3, wherein the gear shaft 1 is of a hollow structure with an oil storage cavity 4 inside, oil outlet holes 7 are formed in the oil storage cavity 4 of the gear shaft 1 and the end face of a gear, bearings are fixedly arranged at two ends of the gear shaft 1, the end cover 3 is fixedly arranged at one end of the gear shaft 1 through the bearings, and an oil pipe 8 connected with an oil pump penetrates through the end cover 3;
the oil receiving pump oil pipe 8 extends to the inside of the oil storage cavity 4, and the oil outlet 7 on the gear shaft 1 is aligned with the roller part of the bearing; a lubricating oil pipe is led into the speed reducer from the end cover 3 and extends into the oil storage cavity 4 of the gear shaft 1, lubricating oil is injected into the oil storage cavity 4 when the speed reducer works, the lubricating oil injected into the oil storage cavity 4 can be extruded to the bottom of the cavity under the action of centrifugal force, and then the lubricating oil flows out through the oil outlet 7 in the inner cavity.
The bearings comprise a first bearing 2 and a second bearing 6, and the first bearing 2 and the second bearing 6 are respectively arranged at two ends of the gear shaft 1; the end covers 3 are fixedly sleeved on the outer rings of the bearings, and the first bearings 2 and the second bearings 6 of the bearings are fixedly sleeved at two ends of the gear shaft 1 through the inner rings of the bearings.
Oil outlet holes 7 are formed in two ends of the oil storage cavity 4 of the gear shaft 1, and the oil outlet holes 7 in the gear shaft 1 are distributed in an annular array; the gear shaft 1 is integrally formed with a disassembly groove 5 matched with a shaft shoulder part of the bearing, the oil outlet 7 is positioned in the disassembly groove 5, and the disassembly groove 5 is provided with four groups distributed in an annular array; connect the one end that oil pump oil pipe 8 is located oil storage chamber 4 inside to set up to the bending, connect the one end that oil pump oil pipe 8 kept away from gear shaft 1 to extend to the gear shaft 1 outside.
The working principle is as follows: when the lubricating oil injection device works, lubricating oil is injected into an oil storage cavity 4 of a gear shaft 1, a dismounting groove 5 which is convenient for dismounting the bearing inner ring is processed at the shaft shoulder part of the gear shaft 1 matched with the bearing inner ring, when the gear shaft 1 rotates, the lubricating oil is injected into the oil storage cavity 4 through an oil pipe, the lubricating oil is thrown out from the position of an oil outlet 7 by the centrifugal force caused by the rotation of the gear shaft 1 and is injected into the roller part of the bearing to lubricate and dissipate heat of the roller of the bearing;
through oil storage chamber 4, oil outlet 7 with connect the design of oil pump oil pipe 8 isotructure, the speed reducer design has the outside oil pump oil pipe 8 that connects, the speed reducer outside introduces a lubricating oil pipe from end cover 3, it deepens in the oil storage chamber 4 of gear shaft 1, pour into lubricating oil into oil storage chamber 4 in the speed reducer during operation, the lubricating oil of pouring into oil storage chamber 4 can be extruded to the chamber bottom under the effect of centrifugal force, then flow through oil outlet 7 in the inner chamber, the rotational speed of gear shaft 1 is higher, lubricating oil in the oil storage chamber 4 goes out oil pressure just big more, just better to the lubricated radiating effect of bearing, can satisfy the lubricated needs of bearing of gear shaft 1 under high rotational speed state, the utility model has the characteristics of the lightweight, reduce the bearing and generate heat, can improve bearing life.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an inner chamber oil storage utilizes centrifugal force self-lubricating bearing's gear shaft, includes gear shaft (1) and end cover (3), its characterized in that: the gear shaft (1) is of a hollow structure, an oil storage cavity (4) is formed in the gear shaft (1), oil outlet holes (7) are formed in the oil storage cavity (4) of the gear shaft (1) and the end face of a gear, bearings are fixedly mounted at two ends of the gear shaft (1), an end cover (3) is fixedly mounted at one end of the gear shaft (1) through the bearings, and an oil pipe (8) for an oil pump penetrates through the end cover (3);
connect oil pump oil pipe (8) to extend to the inside in oil storage chamber (4), oil outlet (7) on gear shaft (1) are the alignment setting with the roller part of bearing.
2. The gear shaft of a bearing with inner cavity oil storage utilizing centrifugal force self-lubrication according to claim 1, wherein: the bearing comprises a first bearing (2) and a second bearing (6), wherein the first bearing (2) and the second bearing (6) are respectively arranged at two ends of the gear shaft (1).
3. The gear shaft of a bearing with inner cavity oil storage self-lubricating by centrifugal force according to claim 2, characterized in that: the end covers (3) are sleeved and fixed on outer rings of the bearings, and the first bearings (2) and the second bearings (6) of the bearings are sleeved and fixed at two ends of the gear shaft (1) through inner rings of the bearings.
4. The gear shaft of a bearing with inner cavity oil storage utilizing centrifugal force self-lubrication according to claim 1, wherein: oil storage chamber (4) both ends of gear shaft (1) all are provided with oil outlet (7), oil outlet (7) on gear shaft (1) are the annular array and distribute.
5. The gear shaft of a bearing with inner cavity oil storage utilizing centrifugal force self-lubrication according to claim 1, wherein: gear shaft (1) cooperation the shaft shoulder position integrated into one piece of bearing has dismantlement recess (5), oil outlet (7) are located dismantlement recess (5), it is provided with four groups that are the annular array and distribute to dismantle recess (5).
6. The gear shaft of a bearing with inner cavity oil storage utilizing centrifugal force self-lubrication according to claim 1, wherein: connect oil pump oil pipe (8) to be located the inside one end of oil storage chamber (4) and set up to the bending form, connect oil pump oil pipe (8) to keep away from the one end of gear shaft (1) and extend to gear shaft (1) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120242941.1U CN214465996U (en) | 2021-01-28 | 2021-01-28 | Gear shaft of bearing capable of self-lubricating by utilizing centrifugal force during oil storage in inner cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120242941.1U CN214465996U (en) | 2021-01-28 | 2021-01-28 | Gear shaft of bearing capable of self-lubricating by utilizing centrifugal force during oil storage in inner cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214465996U true CN214465996U (en) | 2021-10-22 |
Family
ID=78116611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120242941.1U Expired - Fee Related CN214465996U (en) | 2021-01-28 | 2021-01-28 | Gear shaft of bearing capable of self-lubricating by utilizing centrifugal force during oil storage in inner cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214465996U (en) |
-
2021
- 2021-01-28 CN CN202120242941.1U patent/CN214465996U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |